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xen-devel
RE: [Xen-devel] Setting dom0-cpus to 0 doesn't use all cpus asdocumented
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To: |
"Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>, "Ryan Harper" <ryanh@xxxxxxxxxx> |
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Subject: |
RE: [Xen-devel] Setting dom0-cpus to 0 doesn't use all cpus asdocumented |
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From: |
"Jan Beulich" <jbeulich@xxxxxxxxxx> |
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Date: |
Tue, 09 May 2006 18:01:55 +0200 |
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Cc: |
Xen-devel@xxxxxxxxxxxxxxxxxxx, Susan Krysan <KRYSANS@xxxxxxxxxx>, Aravindh Puthiyaparambil <aravindh.puthiyaparambil@xxxxxxxxxx>, Raj Subrahmanian <raj.subrahmanian@xxxxxxxxxx>, Bruce A Vessey <Bruce.Vessey@xxxxxxxxxx>, Brian A Carb <Brian.Carb@xxxxxxxxxx> |
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Tue, 09 May 2006 09:01:55 -0700 |
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>>> "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> 09.05.06 17:52 >>>
>
>> > You can just use the normal xm commands to vary the number of CPUs.
>> > Restarting xend is a rather brutal way of trying to achieve
>> the same
>> > thing...
>>
>> Is it worth keeping dom0-cpus then?
>
>Yes, it sets it when xend starts.
Except when the value is zero. If a previous session lowered the number of
VCPUs, then that value will get restored
(from xenstored) rather than using all VCPUs as dom0_vcpus=0 would suggest.
Jan
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